205302480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{855427}}^1$

素因数の和:855443

約数の個数: 40

約数和(自身を含む): 636438432

約数和(自身を除く): 431135952

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 855427, 1710854, 2566281, 3421708, 4277135, 5132562, 6843416, 8554270, 10265124, 12831405, 13686832, 17108540, 20530248, 25662810, 34217080, 41060496, 51325620, 68434160, 102651240, 205302480]

約数ペア:

[(1, 205302480), (2, 102651240), (3, 68434160), (4, 51325620), (5, 41060496), (6, 34217080), (8, 25662810), (10, 20530248), (12, 17108540), (15, 13686832), (16, 12831405), (20, 10265124), (24, 8554270), (30, 6843416), (40, 5132562), (48, 4277135), (60, 3421708), (80, 2566281), (120, 1710854), (240, 855427)]